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Standard concise way to copy a file in Java?
It has always bothered me that the only way to copy a file in Java involves opening streams, declaring a buffer, reading in one file, looping through it, and writing it out to the other steam. The web is littered with similar, yet still slightly different implementations of this type of solution.
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
... the output of a command I run using os.system to a variable and prevent it from being output to the screen. But, in the below code ,the output is sent to the screen and the value printed for var is 0, which I guess signifies whether the command ran successfully or not. Is there any way to assig...
What does middleware and app.use actually mean in Expressjs?
... the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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Java Date vs Calendar
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Date is a simpler class and is mainly there for backward compatibility reasons. If you need to set particular dates or do date arithmetic, use a Calendar. Calendars also handle localization. The previous date manipulation functions of Date have since been deprecated.
Personally I tend to us...
Lightweight Java Object cache API [closed]
... advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change.
Here is an in memory cache. Created in code, with no configuration files.
CacheManager cacheManager = CacheManager.getInstance();
int oneDay = 24 * 60 * 60...
Folder is locked and I can't unlock it
When I'm trying to update or commit code from a project it's telling me that the folder is locked. When I try to "release lock" it says that there's nothing to unlock in this working space.
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“Parse Error : There is a problem parsing the package” while installing Android application
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You said that the first time you installed the application it worked fine.
The only difference in the steps you outlined between the two versions are:
The version number (I'm assume
that this did not participate in
breaking anything)
The code
The name of the .apk file
Try renami...
Maximum packet size for a TCP connection
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The absolute limitation on TCP packet size is 64K (65535 bytes), but in practicality this is far larger than the size of any packet you will see, because the lower layers (e.g. ethernet) have lower packet sizes.
The MTU (Maximum Transmissio...
Reading ePub format
... idea about how to read this file format. I tried to parse a sample file with .epub extension using NSXML Parser, but that fails.
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Make an image width 100% of parent div, but not bigger than its own width
I’m trying to get an image (dynamically placed, with no restrictions on dimensions) to be as wide as its parent div, but only as long as that width isn’t wider than its own width at 100%. I’ve tried this, to no avail:
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